function countChars(strAreaName){
	var textarea = document.getElementById(strAreaName);
	
	return textarea.value.length;
}

function MaxCharsCheck(strAreaName,maxLength,countDisplayboxName){
	var textarea = document.getElementById(strAreaName);
	var strTemp = textarea.value;
	var countDisplay = document.getElementById(countDisplayboxName);
	
	if (strTemp.length>maxLength){
		textarea.value = strTemp.substr(0,maxLength);
		alert("You have reached the limit of characters");
	}
	countDisplay.value = maxLength - strTemp.length
}